Schedule: the flights that flew on Wednesday, Nov 4, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 520SCHEDULED · TYPICAL SCHEDULE
UA 520 · BUR → SFO
departs 9:35 AM PT · arrives 11:08 AM PT
Forecast issued Mon 11:00 AM ET · 50h before departure
Odds over time
Arrive at SFO more than 15 minutes late?
30%chance · ±2 pts+10 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SFO?
On time or early
70%
15–30 min late
0%
30 min–1 hour late
19%
1–2 hours late
4%
Over 2 hours late
6%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.